US4040417AExpiredUtility

Intrauterine device

67
Assignee: SEARLE & COPriority: Dec 1, 1970Filed: Dec 12, 1973Granted: Aug 9, 1977
Est. expiryDec 1, 1990(expired)· nominal 20-yr term from priority
Inventors:Jaime Zipper
A61F 6/14A61K 9/0039
67
PatentIndex Score
27
Cited by
9
References
3
Claims

Abstract

An intrauterine device including a contraceptively effective amount of non-toxic copper or zinc compound. The device is adapted to be inserted into the uterine cavity for a prolonged period of time.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
       1. An intrauterine device adaptable to insertion in the uterine cavity and capable of being retained therein for a prolonged period of time, said device including a contraceptively effective amount of a non-toxic copper or zinc compound. 
     
     
       2. A device as in claim 1 wherein said compound is a copper oxide or a non-toxic copper salt. 
     
     
       3. A device as in claim 2 wherein said oxide or salt is present in the uterus in an amount providing from about 2 μg to about 2 mg of soluble copper per day.

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